<template>
  <!-- 新增部门的弹层 -->
  <el-dialog title="新增部门" :visible="isShowDialog" @close="btnCancel">
    <!-- 表单组件  el-form   label-width设置label的宽度   -->
    <!-- 匿名插槽 -->
    <el-form ref="addDept" label-width="120px" :model="formData" :rules="rules">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="formData.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="formData.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="formData.manager" style="width:80%" placeholder="请选择" @blur="checkManager">
          <el-option
            v-for="employees in employeesList"
            :key="employees.id"
            :value="employees.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="formData.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
    </el-form>
    <!-- el-dialog有专门放置底部操作栏的 插槽  具名插槽 -->
    <el-row slot="footer" type="flex" justify="center">
      <!-- 列被分为24 -->
      <el-col :span="6">
        <el-button type="primary" size="small" @click="btnOK">确定</el-button>
        <el-button size="small" @click="btnCancel">取消</el-button>
      </el-col>
    </el-row>
  </el-dialog>
</template>

<script>
import { getDepartments, addDepartments, getDepartmentsDateils, updateDepartment } from '@/api/departments'
import { employeesSimple } from '@/api/employees'
export default {
  props: {
    isShowDialog: {
      type: Boolean,
      default: false
    },
    nodeData: {
      type: Object,
      required: true
    }
  },
  data() {
    const checkName = async(rule, val, callback) => {
      const { depts } = await getDepartments()
      let isRespt
      if (this.formData.id) {
        isRespt = depts
          .filter(item => item.pid === this.nodeData.pid)
          .some(item => item.name === val && item.id !== this.nodeData.id)
      } else {
        isRespt = depts
          .filter(item => item.pid === this.nodeData.id)
          .some(item => item.name === val)
      }
      isRespt ? callback(new Error('同一部门下不能有重复的部门')) : callback()
    }
    const checkCode = async(rule, val, callback) => {
      const { depts } = await getDepartments()
      let isRespt
      if (this.formData.id) {
        isRespt = depts.some(item => item.code === val && item.id !== this.nodeData.id)
      } else {
        isRespt = depts.some(item => item.code === val)
      }
      isRespt ? callback(new Error('部门编码在公司具有唯一性')) : callback()
    }
    return {
      // 定义表单数据
      formData: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      // 定义校验规则
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: checkName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: checkCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { trigger: 'blur', min: 1, max: 300, message: '部门介绍要求1-50个字符' }
        ]
      },
      employeesList: []
    }
  },
  async created() {
    this.employeesList = await employeesSimple()
  },
  methods: {
    checkManager() {
      setTimeout(() => {
        this.$refs.addDept.validateField('manager')
      }, 200)
    },
    async btnOK() {
      await this.$refs.addDept.validate()
      if (this.formData.id) {
        await updateDepartment(this.formData)
        this.$message.success('修改成功')
      } else {
        await addDepartments({
          ...this.formData,
          pid: this.nodeData.id
        })
        this.$message.success('新增成功')
      }
      this.$emit('add')
      this.$emit('update:isShowDialog', false)
    },
    btnCancel() {
      this.formData = {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      }
      this.$refs.addDept.resetFields()
      this.$emit('update:isShowDialog', false)
    },
    async editDepartment(id) {
      this.formData = await getDepartmentsDateils(id)
    }
  }
}
</script>

<style>

</style>
